Home / 18,875,630.40-28,292,450.40-10,362,076.80

Finding the Fourth Proportional to 18,875,630.40, 28,292,450.40 and 10,362,076.80

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Solution

The fourth proportional to 18,875,630.40, 28,292,450.40 and 10,362,076.80 is: 15,531,589.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,875,630.40 : 28,292,450.40 = 10,362,076.80 : x
  2. Step 2: Convert to fraction form
    18,875,630.40/28,292,450.40 = 10,362,076.80/x
  3. Step 3: Cross multiply
    18,875,630.40x = 28,292,450.40 × 10,362,076.80
  4. Step 4: Simplify right side
    18,875,630.40x = 293,168,543,904,990.75
  5. Step 5: Solve for x
    x = 293,168,543,904,990.75/18,875,630.40
  6. Step 6: Final answer
    x = 15,531,589.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.